Is solus here an adverb? Are adverbs in Latin flexed?
Sōlus: [color=blue] m ♂ - Adjective
There are three degrees of Adjectives: Regular or Positive, Comparative and Superlative
Latin Adverbs are Invariable, they do not Decline, so they do not Inflect for Declension.
Is 'solus' depend on 'Marcus' or 'habitat'